1
daffy
1
deficient(dull, silly, foolish, stupid, unintelligent)
1
dense(dull, simple, silly, foolish, stupid)
1
dewy-eyed
1
dim-witted
1
dimwitted(adjective, stupid)
1
dippy
1
direct
1
dithering
1
dotty
1
driveling
1
drooling
1
empty-headed(simple, silly, foolish, stupid, absurd)
1
fatuous
1
featherheaded
1
feeble
1
fool
1
frank
1
green
1
guileless
11 years ago|11k views|share |citing 
APASmart Define. (2015). simpleminded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/simpleminded/thesaurus/synonyms
ChicagoSmart Define. 2015. "simpleminded thesaurus" https://smartdefine.org/simpleminded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, simpleminded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/simpleminded/thesaurus/synonyms>.
MLASmart Define. "simpleminded thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/simpleminded/thesaurus/synonyms>